1130b656e5
This will make a number of things easier in the future, as well as (finally!) avoiding the Id-smashing problem which has plagued developers for so long. Boy, I'm glad we're not using sup anymore. This update would have been insane otherwise.
115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/*
|
|
* Mach Operating System
|
|
* Copyright (c) 1991,1990 Carnegie Mellon University
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission to use, copy, modify and distribute this software and its
|
|
* documentation is hereby granted, provided that both the copyright
|
|
* notice and this permission notice appear in all copies of the
|
|
* software, derivative works or modified versions, and any portions
|
|
* thereof, and that both notices appear in supporting documentation.
|
|
*
|
|
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
|
|
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
|
|
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
|
|
*
|
|
* Carnegie Mellon requests users of this software to return to
|
|
*
|
|
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
|
|
* School of Computer Science
|
|
* Carnegie Mellon University
|
|
* Pittsburgh PA 15213-3890
|
|
*
|
|
* any improvements or extensions that they make and grant Carnegie the
|
|
* rights to redistribute these changes.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#ifndef _DDB_DB_SYM_H_
|
|
#define _DDB_DB_SYM_H_
|
|
|
|
/*
|
|
* Author: Alessandro Forin, Carnegie Mellon University
|
|
* Date: 8/90
|
|
*/
|
|
|
|
/*
|
|
* This module can handle multiple symbol tables
|
|
*/
|
|
typedef struct {
|
|
char *name; /* symtab name */
|
|
char *start; /* symtab location */
|
|
char *end;
|
|
char *private; /* optional machdep pointer */
|
|
} db_symtab_t;
|
|
|
|
extern db_symtab_t *db_last_symtab; /* where last symbol was found */
|
|
|
|
/*
|
|
* Symbol representation is specific to the symtab style:
|
|
* BSD compilers use dbx' nlist, other compilers might use
|
|
* a different one
|
|
*/
|
|
typedef char * db_sym_t; /* opaque handle on symbols */
|
|
#define DB_SYM_NULL ((db_sym_t)0)
|
|
|
|
/*
|
|
* Non-stripped symbol tables will have duplicates, for instance
|
|
* the same string could match a parameter name, a local var, a
|
|
* global var, etc.
|
|
* We are most concern with the following matches.
|
|
*/
|
|
typedef int db_strategy_t; /* search strategy */
|
|
|
|
#define DB_STGY_ANY 0 /* anything goes */
|
|
#define DB_STGY_XTRN 1 /* only external symbols */
|
|
#define DB_STGY_PROC 2 /* only procedures */
|
|
|
|
extern boolean_t db_qualify_ambiguous_names;
|
|
/* if TRUE, check across symbol tables
|
|
* for multiple occurrences of a name.
|
|
* Might slow down quite a bit */
|
|
|
|
/*
|
|
* Functions exported by the symtable module
|
|
*/
|
|
void db_add_symbol_table __P((char *, char *, char *, char *));
|
|
/* extend the list of symbol tables */
|
|
|
|
db_sym_t db_search_symbol __P((db_addr_t, db_strategy_t, db_expr_t *));
|
|
/* find symbol given value */
|
|
|
|
void db_symbol_values __P((db_sym_t, char **, db_expr_t *));
|
|
/* return name and value of symbol */
|
|
|
|
#define db_find_sym_and_offset(val,namep,offp) \
|
|
db_symbol_values(db_search_symbol(val,DB_STGY_ANY,offp),namep,0)
|
|
/* find name&value given approx val */
|
|
|
|
#define db_find_xtrn_sym_and_offset(val,namep,offp) \
|
|
db_symbol_values(db_search_symbol(val,DB_STGY_XTRN,offp),namep,0)
|
|
/* ditto, but no locals */
|
|
|
|
int db_eqname __P((char *, char *, char));
|
|
/* strcmp, modulo leading char */
|
|
|
|
void db_printsym __P((db_expr_t, db_strategy_t));
|
|
/* print closest symbol to a value */
|
|
|
|
int db_sym_numargs __P((db_sym_t, int *, char **));
|
|
|
|
boolean_t X_db_line_at_pc __P((db_symtab_t *symtab, db_sym_t cursym,
|
|
char **filename, int *linenum,
|
|
db_expr_t off));
|
|
db_sym_t X_db_lookup __P((db_symtab_t *stab, char *symstr));
|
|
db_sym_t X_db_search_symbol __P((db_symtab_t *symtab, db_addr_t off,
|
|
db_strategy_t strategy,
|
|
db_expr_t *diffp));
|
|
int X_db_sym_numargs __P((db_symtab_t *, db_sym_t, int *,
|
|
char **));
|
|
void X_db_symbol_values __P((db_sym_t sym, char **namep,
|
|
db_expr_t *valuep));
|
|
|
|
#endif /* !_DDB_DB_SYM_H_ */
|